Date: Wed, 12 Mar 2008 12:14:36 +0800 From: David Xu <davidxu@FreeBSD.org> To: Jeff Roberson <jroberson@chesapeake.net> Cc: arch@FreeBSD.org Subject: Re: amd64 cpu_switch in C. Message-ID: <47D758AC.2020605@freebsd.org> In-Reply-To: <20080310161115.X1091@desktop> References: <20080310161115.X1091@desktop>
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Jeff Roberson wrote: > http://people.freebsd.org/~jeff/amd64.diff This is a good idea. In fact, according to calling conversion, some registers are not needed to be saved across function call, e.g on i386, eax, edx, and ecx. :-) but gdb may need them to dig out stack variable's value. Regards, David Xu
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